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2025-11-20 - 11:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Nov 20, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178322171101,6sleep30-21swapper/319:07:353
17890212870,6sleep10-21swapper/119:08:211
17687211374,8sleep00-21swapper/019:05:400
17851210898,7sleep20-21swapper/219:07:512
2901021000,0sleep129009-21perl19:55:101
9632730,0sleep30-21swapper/322:00:243
258742720,0sleep20-21swapper/200:33:222
94552660,0sleep10-21swapper/123:22:351
106462660,0sleep10-21swapper/100:25:191
100922650,0sleep30-21swapper/323:53:523
93722640,0sleep00-21swapper/000:25:180
278302590,1sleep127836-21kthreadcore22:30:181
200182590,0sleep00-21swapper/022:55:570
50722580,0sleep15070-21ssh23:50:231
319552580,0sleep131958-21kthreadcore20:50:211
19402580,1sleep31944-21fschecks_time23:35:153
19402580,1sleep31944-21fschecks_time23:35:143
3552570,0sleep20-21swapper/222:15:542
209462570,1sleep220949-21kthreadcore21:55:192
248392560,0sleep10-21swapper/100:32:091
296442550,0sleep20-21swapper/223:00:242
121642530,0sleep30-21swapper/323:25:003
258982520,0sleep30-21swapper/321:25:323
167622520,0sleep20-21swapper/222:40:222
1819299281,26cyclictest0-21swapper/221:02:562
1819299281,26cyclictest0-21swapper/220:08:522
18192992812,15cyclictest0-21swapper/223:55:132
1819299271,25cyclictest0-21swapper/200:26:442
1819299270,26cyclictest0-21swapper/221:43:382
1819299270,26cyclictest0-21swapper/220:01:072
1819299270,26cyclictest0-21swapper/219:33:372
1818799270,26cyclictest0-21swapper/122:07:391
1818799270,26cyclictest0-21swapper/120:39:461
1818799270,26cyclictest0-21swapper/119:10:071
1819299261,10cyclictest0-21swapper/200:10:112
1819299260,25cyclictest0-21swapper/223:40:182
1819299260,25cyclictest0-21swapper/222:26:272
1819299260,25cyclictest0-21swapper/219:52:042
1818799260,25cyclictest16923-21ssh21:21:561
1818799260,25cyclictest0-21swapper/122:59:211
1818799260,25cyclictest0-21swapper/122:12:271
1818799260,25cyclictest0-21swapper/121:39:451
1818799260,25cyclictest0-21swapper/120:25:251
1818799260,25cyclictest0-21swapper/119:27:311
18187992523,2cyclictest0-21swapper/121:00:051
1818799250,24cyclictest13416-21ssh22:54:581
1818799250,24cyclictest0-21swapper/121:16:311
1818799250,24cyclictest0-21swapper/100:12:251
18192992421,3cyclictest0-21swapper/220:25:532
18192992417,7cyclictest0-21swapper/219:21:492
1819299240,23cyclictest0-21swapper/223:18:282
1819299240,23cyclictest0-21swapper/200:35:082
18187992422,2cyclictest0-21swapper/123:02:371
18187992417,7cyclictest0-21swapper/100:07:031
18187992415,8cyclictest0-21swapper/123:57:281
1818799240,23cyclictest0-21swapper/122:39:271
1818799240,23cyclictest0-21swapper/100:22:031
1818799240,23cyclictest0-21swapper/100:04:241
1818799240,1cyclictest0-21swapper/100:15:171
1818799240,18cyclictest0-21swapper/122:20:281
18192992321,2cyclictest0-21swapper/220:44:252
18192992321,2cyclictest0-21swapper/220:18:462
1819299230,22cyclictest0-21swapper/221:47:352
1819299230,22cyclictest0-21swapper/219:28:552
1819299230,22cyclictest0-21swapper/200:00:402
1818799230,22cyclictest0-21swapper/123:18:011
1818799230,22cyclictest0-21swapper/122:27:051
1818799230,22cyclictest0-21swapper/121:58:281
1818799230,22cyclictest0-21swapper/121:27:201
1818799230,18cyclictest0-21swapper/100:35:111
18183992322,1cyclictest53450irq/24-enp1s021:35:300
1818399231,21cyclictest0-21swapper/000:03:470
1360522319,3sleep30-21swapper/321:01:303
1819299223,18cyclictest0-21swapper/223:25:012
1819299222,19cyclictest0-21swapper/221:37:552
18192992221,1cyclictest0-21swapper/222:53:482
18192992219,3cyclictest0-21swapper/219:35:522
18192992218,3cyclictest0-21swapper/221:11:172
18192992218,3cyclictest0-21swapper/200:08:292
1819299221,20cyclictest0-21swapper/222:45:432
1819299221,20cyclictest0-21swapper/221:21:392
1819299221,20cyclictest0-21swapper/221:16:392
1819299221,20cyclictest0-21swapper/219:11:132
1819299221,19cyclictest0-21swapper/223:35:232
1819299221,19cyclictest0-21swapper/223:35:232
1819299221,15cyclictest0-21swapper/221:51:562
1819299220,21cyclictest0-21swapper/223:31:432
1819299220,21cyclictest0-21swapper/223:21:312
1819299220,21cyclictest0-21swapper/223:05:042
1819299220,21cyclictest0-21swapper/222:57:162
1819299220,21cyclictest0-21swapper/222:35:202
1819299220,21cyclictest0-21swapper/222:00:402
1819299220,21cyclictest0-21swapper/221:25:142
1819299220,21cyclictest0-21swapper/220:22:522
1819299220,16cyclictest0-21swapper/223:53:032
1819299220,16cyclictest0-21swapper/223:10:222
1818799220,21cyclictest0-21swapper/123:41:571
1818799220,21cyclictest0-21swapper/123:34:081
1818799220,21cyclictest0-21swapper/123:26:011
1818799220,21cyclictest0-21swapper/123:07:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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